<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>响应式卡片布局</title>
    <link rel="stylesheet" href="style.css">
</head>
<body>
    <!-- 在此处添加你的HTML结构 -->
    
    <!-- 示例HTML结构：
    <div class="container">
        <header class="header">
            <h1>产品展示</h1>
            <div class="filters">
                <button class="filter-btn active" data-filter="all">全部</button>
                <button class="filter-btn" data-filter="tech">科技</button>
                <button class="filter-btn" data-filter="food">美食</button>
                <button class="filter-btn" data-filter="travel">旅行</button>
            </div>
        </header>

        <div class="cards-grid">
            <!-- 1x1 卡片示例 -->
            <div class="card" data-category="tech">
                <div class="card-image">
                    <img src="path/to/image.jpg" alt="产品图片">
                    <span class="category">科技</span>
                </div>
                <div class="card-content">
                    <h3 class="card-title">产品标题</h3>
                    <p class="card-description">产品描述信息...</p>
                    <div class="card-footer">
                        <span class="price">¥299</span>
                        <button class="btn">查看详情</button>
                    </div>
                </div>
            </div>

            <!-- 2x1 卡片示例 -->
            <div class="card card-wide" data-category="food">
                <div class="card-image">
                    <img src="path/to/image.jpg" alt="产品图片">
                    <span class="category">美食</span>
                </div>
                <div class="card-content">
                    <h3 class="card-title">产品标题</h3>
                    <p class="card-description">产品描述信息...</p>
                    <div class="card-footer">
                        <span class="price">¥99</span>
                        <button class="btn">查看详情</button>
                    </div>
                </div>
            </div>

            <!-- 2x2 卡片示例 -->
            <div class="card card-large" data-category="travel">
                <div class="card-image">
                    <img src="path/to/image.jpg" alt="产品图片">
                    <span class="category">旅行</span>
                </div>
                <div class="card-content">
                    <h3 class="card-title">产品标题</h3>
                    <p class="card-description">产品描述信息...</p>
                    <div class="card-footer">
                        <span class="price">¥1999</span>
                        <button class="btn">查看详情</button>
                    </div>
                </div>
            </div>
        </div>

        <div class="load-more">
            <button class="btn btn-load">加载更多</button>
        </div>
    </div>
    -->

    <script src="script.js"></script>
</body>
</html>
